Hannibal Buress’ new weekly Comedy Central series Why? premiered on Wednesday night and featured a bit where the host comes face to face with a trash-talking Twitter troll with the handle @NotAFannibal.

Twitter has a troll problem. It has from the beginning, really. But it's been particularly loud this month, thrown into sharp relief with the sickening attacks on Robin Williams' grieving daughter, Zelda. Twitter's response has been tepid at best—and as far as squashing trolls goes, it's the most we can ever expect.

Today in horrible, depressing news of how terrible people can be: Australia's Next Top Model judge, anti-bullying campaigner, television presenter, and former model Charlotte Dawson has been hospitalized in Sydney following an apparent suicide attempt that came after weeks of vicious bullying on Twitter. Speaking out…